On Fri, 26 Jul 2024 06:03:28 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org> wrote:
> Issue is > BasicScrollBarUI.ArrowButtonListener starts a timer in mousePressed(), and > stops it in mouseReleased(). If the frame containing the scrollbar is > disabled between the MOUSE_PRESSED and the MOUSE_RELEASED events, the > mouseReleased() method is never called. If the frame is then re-enabled, the > still-running timer causes it to scroll all the way to the end. > Fix is to check if > [ArrowButtonListener.handledEvent](https://github.com/openjdk/jdk/blame/ee839b7f0ebe471d3877cddd2c87019ccb8ee5ae/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicScrollBarUI.java#L1567) > is still set when ActionEvent is processed then stop the timer and reset > this variable. > > CI testing is green and also SwingSet2 JScrollPane scrolling with this > modification.. This pull request has now been integrated. Changeset: cafb3dc4 Author: Prasanta Sadhukhan <psadhuk...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/cafb3dc49157daf12c1a0e5d78acca8188c56918 Stats: 260 lines in 3 files changed: 247 ins; 0 del; 13 mod 6318027: BasicScrollBarUI does not disable timer when enclosing frame is disabled. Reviewed-by: abhiscxk, tr ------------- PR: https://git.openjdk.org/jdk/pull/20346